The Mad King Thorn makes his entrance by jumping out of a crumbling lion. That entrance has resulted in a big hole in the middle of Lion’s Arch. The hole now acts as a portal and players can use that to travel to the Boss instance and take on Thorn himself. You can check that in the video below.
The limited event began on the start of Act 3 and has also featured a jumping puzzle around a crumbling clock tower. Some may have found the jumping puzzle difficult so here’s another video which shows you how to perfectly execute each jump.